Home / 163,427.16-245,214.67-83,423.80

Finding the Fourth Proportional to 163,427.16, 245,214.67 and 83,423.80

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Solution

The fourth proportional to 163,427.16, 245,214.67 and 83,423.80 is: 125,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,427.16 : 245,214.67 = 83,423.80 : x
  2. Step 2: Convert to fraction form
    163,427.16/245,214.67 = 83,423.80/x
  3. Step 3: Cross multiply
    163,427.16x = 245,214.67 × 83,423.80
  4. Step 4: Simplify right side
    163,427.16x = 20,456,739,587.15
  5. Step 5: Solve for x
    x = 20,456,739,587.15/163,427.16
  6. Step 6: Final answer
    x = 125,173.44

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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.