Home / 239,124.72-330,000.57-131,702.93

Finding the Fourth Proportional to 239,124.72, 330,000.57 and 131,702.93

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Solution

The fourth proportional to 239,124.72, 330,000.57 and 131,702.93 is: 181,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,124.72 : 330,000.57 = 131,702.93 : x
  2. Step 2: Convert to fraction form
    239,124.72/330,000.57 = 131,702.93/x
  3. Step 3: Cross multiply
    239,124.72x = 330,000.57 × 131,702.93
  4. Step 4: Simplify right side
    239,124.72x = 43,462,041,970.67
  5. Step 5: Solve for x
    x = 43,462,041,970.67/239,124.72
  6. Step 6: Final answer
    x = 181,754.70

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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.