Home / 99,265.91-136,980.52-56,254.57

Finding the Fourth Proportional to 99,265.91, 136,980.52 and 56,254.57

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Solution

The fourth proportional to 99,265.91, 136,980.52 and 56,254.57 is: 77,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.91 : 136,980.52 = 56,254.57 : x
  2. Step 2: Convert to fraction form
    99,265.91/136,980.52 = 56,254.57/x
  3. Step 3: Cross multiply
    99,265.91x = 136,980.52 × 56,254.57
  4. Step 4: Simplify right side
    99,265.91x = 7,705,779,767.89
  5. Step 5: Solve for x
    x = 7,705,779,767.89/99,265.91
  6. Step 6: Final answer
    x = 77,627.66

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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.