Home / 117,126.60-161,632.76-63,411.18

Finding the Fourth Proportional to 117,126.60, 161,632.76 and 63,411.18

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Solution

The fourth proportional to 117,126.60, 161,632.76 and 63,411.18 is: 87,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,126.60 : 161,632.76 = 63,411.18 : x
  2. Step 2: Convert to fraction form
    117,126.60/161,632.76 = 63,411.18/x
  3. Step 3: Cross multiply
    117,126.60x = 161,632.76 × 63,411.18
  4. Step 4: Simplify right side
    117,126.60x = 10,249,323,721.20
  5. Step 5: Solve for x
    x = 10,249,323,721.20/117,126.60
  6. Step 6: Final answer
    x = 87,506.37

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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.