Home / 129,417.15-193,962.16-58,264.02

Finding the Fourth Proportional to 129,417.15, 193,962.16 and 58,264.02

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Solution

The fourth proportional to 129,417.15, 193,962.16 and 58,264.02 is: 87,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,417.15 : 193,962.16 = 58,264.02 : x
  2. Step 2: Convert to fraction form
    129,417.15/193,962.16 = 58,264.02/x
  3. Step 3: Cross multiply
    129,417.15x = 193,962.16 × 58,264.02
  4. Step 4: Simplify right side
    129,417.15x = 11,301,015,242.31
  5. Step 5: Solve for x
    x = 11,301,015,242.31/129,417.15
  6. Step 6: Final answer
    x = 87,322.39

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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.