Home / 181,488.48-250,455.69-99,818.34

Finding the Fourth Proportional to 181,488.48, 250,455.69 and 99,818.34

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Solution

The fourth proportional to 181,488.48, 250,455.69 and 99,818.34 is: 137,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,488.48 : 250,455.69 = 99,818.34 : x
  2. Step 2: Convert to fraction form
    181,488.48/250,455.69 = 99,818.34/x
  3. Step 3: Cross multiply
    181,488.48x = 250,455.69 × 99,818.34
  4. Step 4: Simplify right side
    181,488.48x = 25,000,071,219.35
  5. Step 5: Solve for x
    x = 25,000,071,219.35/181,488.48
  6. Step 6: Final answer
    x = 137,750.18

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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.