Home / 121,569.47-167,749.33-70,574.12

Finding the Fourth Proportional to 121,569.47, 167,749.33 and 70,574.12

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Solution

The fourth proportional to 121,569.47, 167,749.33 and 70,574.12 is: 97,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569.47 : 167,749.33 = 70,574.12 : x
  2. Step 2: Convert to fraction form
    121,569.47/167,749.33 = 70,574.12/x
  3. Step 3: Cross multiply
    121,569.47x = 167,749.33 × 70,574.12
  4. Step 4: Simplify right side
    121,569.47x = 11,838,761,345.34
  5. Step 5: Solve for x
    x = 11,838,761,345.34/121,569.47
  6. Step 6: Final answer
    x = 97,382.68

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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.