Home / 134,312.36-185,341.92-77,732.24

Finding the Fourth Proportional to 134,312.36, 185,341.92 and 77,732.24

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Solution

The fourth proportional to 134,312.36, 185,341.92 and 77,732.24 is: 107,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,312.36 : 185,341.92 = 77,732.24 : x
  2. Step 2: Convert to fraction form
    134,312.36/185,341.92 = 77,732.24/x
  3. Step 3: Cross multiply
    134,312.36x = 185,341.92 × 77,732.24
  4. Step 4: Simplify right side
    134,312.36x = 14,407,042,607.50
  5. Step 5: Solve for x
    x = 14,407,042,607.50/134,312.36
  6. Step 6: Final answer
    x = 107,265.20

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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.