Home / 126,921.96-175,159.32-70,332.12

Finding the Fourth Proportional to 126,921.96, 175,159.32 and 70,332.12

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Solution

The fourth proportional to 126,921.96, 175,159.32 and 70,332.12 is: 97,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,921.96 : 175,159.32 = 70,332.12 : x
  2. Step 2: Convert to fraction form
    126,921.96/175,159.32 = 70,332.12/x
  3. Step 3: Cross multiply
    126,921.96x = 175,159.32 × 70,332.12
  4. Step 4: Simplify right side
    126,921.96x = 12,319,326,313.36
  5. Step 5: Solve for x
    x = 12,319,326,313.36/126,921.96
  6. Step 6: Final answer
    x = 97,062.21

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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.