Home / 105,121.62-157,703.13-38,562.35

Finding the Fourth Proportional to 105,121.62, 157,703.13 and 38,562.35

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Solution

The fourth proportional to 105,121.62, 157,703.13 and 38,562.35 is: 57,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,121.62 : 157,703.13 = 38,562.35 : x
  2. Step 2: Convert to fraction form
    105,121.62/157,703.13 = 38,562.35/x
  3. Step 3: Cross multiply
    105,121.62x = 157,703.13 × 38,562.35
  4. Step 4: Simplify right side
    105,121.62x = 6,081,402,506.64
  5. Step 5: Solve for x
    x = 6,081,402,506.64/105,121.62
  6. Step 6: Final answer
    x = 57,851.11

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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.