Home / 105,001.25-157,452.61-38,394.80

Finding the Fourth Proportional to 105,001.25, 157,452.61 and 38,394.80

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Solution

The fourth proportional to 105,001.25, 157,452.61 and 38,394.80 is: 57,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.25 : 157,452.61 = 38,394.80 : x
  2. Step 2: Convert to fraction form
    105,001.25/157,452.61 = 38,394.80/x
  3. Step 3: Cross multiply
    105,001.25x = 157,452.61 × 38,394.80
  4. Step 4: Simplify right side
    105,001.25x = 6,045,360,683.16
  5. Step 5: Solve for x
    x = 6,045,360,683.16/105,001.25
  6. Step 6: Final answer
    x = 57,574.18

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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.