Home / 248,864.18-343,432.91-135,686.93

Finding the Fourth Proportional to 248,864.18, 343,432.91 and 135,686.93

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Solution

The fourth proportional to 248,864.18, 343,432.91 and 135,686.93 is: 187,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,864.18 : 343,432.91 = 135,686.93 : x
  2. Step 2: Convert to fraction form
    248,864.18/343,432.91 = 135,686.93/x
  3. Step 3: Cross multiply
    248,864.18x = 343,432.91 × 135,686.93
  4. Step 4: Simplify right side
    248,864.18x = 46,599,354,823.27
  5. Step 5: Solve for x
    x = 46,599,354,823.27/248,864.18
  6. Step 6: Final answer
    x = 187,248.14

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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.