Home / 257,987.46-387,048.04-98,066.13

Finding the Fourth Proportional to 257,987.46, 387,048.04 and 98,066.13

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Solution

The fourth proportional to 257,987.46, 387,048.04 and 98,066.13 is: 147,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,987.46 : 387,048.04 = 98,066.13 : x
  2. Step 2: Convert to fraction form
    257,987.46/387,048.04 = 98,066.13/x
  3. Step 3: Cross multiply
    257,987.46x = 387,048.04 × 98,066.13
  4. Step 4: Simplify right side
    257,987.46x = 37,956,301,710.29
  5. Step 5: Solve for x
    x = 37,956,301,710.29/257,987.46
  6. Step 6: Final answer
    x = 147,124.60

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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.