Home / 99,265.02-136,988.78-56,837.22

Finding the Fourth Proportional to 99,265.02, 136,988.78 and 56,837.22

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Solution

The fourth proportional to 99,265.02, 136,988.78 and 56,837.22 is: 78,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.02 : 136,988.78 = 56,837.22 : x
  2. Step 2: Convert to fraction form
    99,265.02/136,988.78 = 56,837.22/x
  3. Step 3: Cross multiply
    99,265.02x = 136,988.78 × 56,837.22
  4. Step 4: Simplify right side
    99,265.02x = 7,786,061,426.39
  5. Step 5: Solve for x
    x = 7,786,061,426.39/99,265.02
  6. Step 6: Final answer
    x = 78,437.11

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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.