Home / 158,332.08-218,498.61-85,735.77

Finding the Fourth Proportional to 158,332.08, 218,498.61 and 85,735.77

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Solution

The fourth proportional to 158,332.08, 218,498.61 and 85,735.77 is: 118,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,332.08 : 218,498.61 = 85,735.77 : x
  2. Step 2: Convert to fraction form
    158,332.08/218,498.61 = 85,735.77/x
  3. Step 3: Cross multiply
    158,332.08x = 218,498.61 × 85,735.77
  4. Step 4: Simplify right side
    158,332.08x = 18,733,146,572.28
  5. Step 5: Solve for x
    x = 18,733,146,572.28/158,332.08
  6. Step 6: Final answer
    x = 118,315.55

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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.