Home / 117,026.95-161,516.51-71,730.13

Finding the Fourth Proportional to 117,026.95, 161,516.51 and 71,730.13

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Solution

The fourth proportional to 117,026.95, 161,516.51 and 71,730.13 is: 98,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,026.95 : 161,516.51 = 71,730.13 : x
  2. Step 2: Convert to fraction form
    117,026.95/161,516.51 = 71,730.13/x
  3. Step 3: Cross multiply
    117,026.95x = 161,516.51 × 71,730.13
  4. Step 4: Simplify right side
    117,026.95x = 11,585,600,259.45
  5. Step 5: Solve for x
    x = 11,585,600,259.45/117,026.95
  6. Step 6: Final answer
    x = 98,999.42

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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.