Home / 87,386.39-130,988.69-59,308.74

Finding the Fourth Proportional to 87,386.39, 130,988.69 and 59,308.74

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Solution

The fourth proportional to 87,386.39, 130,988.69 and 59,308.74 is: 88,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,386.39 : 130,988.69 = 59,308.74 : x
  2. Step 2: Convert to fraction form
    87,386.39/130,988.69 = 59,308.74/x
  3. Step 3: Cross multiply
    87,386.39x = 130,988.69 × 59,308.74
  4. Step 4: Simplify right side
    87,386.39x = 7,768,774,417.63
  5. Step 5: Solve for x
    x = 7,768,774,417.63/87,386.39
  6. Step 6: Final answer
    x = 88,901.42

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1.5x scale

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.