Home / 118,119.06-163,000.98-64,405.08

Finding the Fourth Proportional to 118,119.06, 163,000.98 and 64,405.08

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Solution

The fourth proportional to 118,119.06, 163,000.98 and 64,405.08 is: 88,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119.06 : 163,000.98 = 64,405.08 : x
  2. Step 2: Convert to fraction form
    118,119.06/163,000.98 = 64,405.08/x
  3. Step 3: Cross multiply
    118,119.06x = 163,000.98 × 64,405.08
  4. Step 4: Simplify right side
    118,119.06x = 10,498,091,156.98
  5. Step 5: Solve for x
    x = 10,498,091,156.98/118,119.06
  6. Step 6: Final answer
    x = 88,877.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.