Home / 152,154.24-209,988.54-87,625.59

Finding the Fourth Proportional to 152,154.24, 209,988.54 and 87,625.59

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Solution

The fourth proportional to 152,154.24, 209,988.54 and 87,625.59 is: 120,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,154.24 : 209,988.54 = 87,625.59 : x
  2. Step 2: Convert to fraction form
    152,154.24/209,988.54 = 87,625.59/x
  3. Step 3: Cross multiply
    152,154.24x = 209,988.54 × 87,625.59
  4. Step 4: Simplify right side
    152,154.24x = 18,400,369,710.74
  5. Step 5: Solve for x
    x = 18,400,369,710.74/152,154.24
  6. Step 6: Final answer
    x = 120,932.35

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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.