Home / 90,341.96-124,689.29-52,126.20

Finding the Fourth Proportional to 90,341.96, 124,689.29 and 52,126.20

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Solution

The fourth proportional to 90,341.96, 124,689.29 and 52,126.20 is: 71,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,341.96 : 124,689.29 = 52,126.20 : x
  2. Step 2: Convert to fraction form
    90,341.96/124,689.29 = 52,126.20/x
  3. Step 3: Cross multiply
    90,341.96x = 124,689.29 × 52,126.20
  4. Step 4: Simplify right side
    90,341.96x = 6,499,578,607.77
  5. Step 5: Solve for x
    x = 6,499,578,607.77/90,341.96
  6. Step 6: Final answer
    x = 71,944.19

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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.