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Finding the Fourth Proportional to 163,495.80, 245,114.10 and 89,623.80

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Solution

The fourth proportional to 163,495.80, 245,114.10 and 89,623.80 is: 134,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,495.80 : 245,114.10 = 89,623.80 : x
  2. Step 2: Convert to fraction form
    163,495.80/245,114.10 = 89,623.80/x
  3. Step 3: Cross multiply
    163,495.80x = 245,114.10 × 89,623.80
  4. Step 4: Simplify right side
    163,495.80x = 21,968,057,075.58
  5. Step 5: Solve for x
    x = 21,968,057,075.58/163,495.80
  6. Step 6: Final answer
    x = 134,364.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.