Home / 159,715.80-239,573.70-144,953.55

Finding the Fourth Proportional to 159,715.80, 239,573.70 and 144,953.55

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Solution

The fourth proportional to 159,715.80, 239,573.70 and 144,953.55 is: 217,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,715.80 : 239,573.70 = 144,953.55 : x
  2. Step 2: Convert to fraction form
    159,715.80/239,573.70 = 144,953.55/x
  3. Step 3: Cross multiply
    159,715.80x = 239,573.70 × 144,953.55
  4. Step 4: Simplify right side
    159,715.80x = 34,727,058,301.64
  5. Step 5: Solve for x
    x = 34,727,058,301.64/159,715.80
  6. Step 6: Final answer
    x = 217,430.33

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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.