Home / 134,092.08-185,047.20-77,503.68

Finding the Fourth Proportional to 134,092.08, 185,047.20 and 77,503.68

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Solution

The fourth proportional to 134,092.08, 185,047.20 and 77,503.68 is: 106,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,092.08 : 185,047.20 = 77,503.68 : x
  2. Step 2: Convert to fraction form
    134,092.08/185,047.20 = 77,503.68/x
  3. Step 3: Cross multiply
    134,092.08x = 185,047.20 × 77,503.68
  4. Step 4: Simplify right side
    134,092.08x = 14,341,838,973.70
  5. Step 5: Solve for x
    x = 14,341,838,973.70/134,092.08
  6. Step 6: Final answer
    x = 106,955.15

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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.