Home / 105,004.13-157,506.20-31,132.13

Finding the Fourth Proportional to 105,004.13, 157,506.20 and 31,132.13

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Solution

The fourth proportional to 105,004.13, 157,506.20 and 31,132.13 is: 46,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.13 : 157,506.20 = 31,132.13 : x
  2. Step 2: Convert to fraction form
    105,004.13/157,506.20 = 31,132.13/x
  3. Step 3: Cross multiply
    105,004.13x = 157,506.20 × 31,132.13
  4. Step 4: Simplify right side
    105,004.13x = 4,903,502,551.01
  5. Step 5: Solve for x
    x = 4,903,502,551.01/105,004.13
  6. Step 6: Final answer
    x = 46,698.19

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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.