Home / 158,088.60-218,167.46-86,468.62

Finding the Fourth Proportional to 158,088.60, 218,167.46 and 86,468.62

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Solution

The fourth proportional to 158,088.60, 218,167.46 and 86,468.62 is: 119,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,088.60 : 218,167.46 = 86,468.62 : x
  2. Step 2: Convert to fraction form
    158,088.60/218,167.46 = 86,468.62/x
  3. Step 3: Cross multiply
    158,088.60x = 218,167.46 × 86,468.62
  4. Step 4: Simplify right side
    158,088.60x = 18,864,638,217.34
  5. Step 5: Solve for x
    x = 18,864,638,217.34/158,088.60
  6. Step 6: Final answer
    x = 119,329.53

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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.