Home / 158,830.50-239,387.40-136,908.46

Finding the Fourth Proportional to 158,830.50, 239,387.40 and 136,908.46

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Solution

The fourth proportional to 158,830.50, 239,387.40 and 136,908.46 is: 206,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,830.50 : 239,387.40 = 136,908.46 : x
  2. Step 2: Convert to fraction form
    158,830.50/239,387.40 = 136,908.46/x
  3. Step 3: Cross multiply
    158,830.50x = 239,387.40 × 136,908.46
  4. Step 4: Simplify right side
    158,830.50x = 32,774,160,277.40
  5. Step 5: Solve for x
    x = 32,774,160,277.40/158,830.50
  6. Step 6: Final answer
    x = 206,346.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.