Home / 153,017.70-229,302.45-137,222.70

Finding the Fourth Proportional to 153,017.70, 229,302.45 and 137,222.70

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Solution

The fourth proportional to 153,017.70, 229,302.45 and 137,222.70 is: 205,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,017.70 : 229,302.45 = 137,222.70 : x
  2. Step 2: Convert to fraction form
    153,017.70/229,302.45 = 137,222.70/x
  3. Step 3: Cross multiply
    153,017.70x = 229,302.45 × 137,222.70
  4. Step 4: Simplify right side
    153,017.70x = 31,465,501,305.62
  5. Step 5: Solve for x
    x = 31,465,501,305.62/153,017.70
  6. Step 6: Final answer
    x = 205,633.08

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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.