Home / 98,572.39-136,029.76-56,130.92

Finding the Fourth Proportional to 98,572.39, 136,029.76 and 56,130.92

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Solution

The fourth proportional to 98,572.39, 136,029.76 and 56,130.92 is: 77,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,572.39 : 136,029.76 = 56,130.92 : x
  2. Step 2: Convert to fraction form
    98,572.39/136,029.76 = 56,130.92/x
  3. Step 3: Cross multiply
    98,572.39x = 136,029.76 × 56,130.92
  4. Step 4: Simplify right side
    98,572.39x = 7,635,475,576.18
  5. Step 5: Solve for x
    x = 7,635,475,576.18/98,572.39
  6. Step 6: Final answer
    x = 77,460.59

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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.