Home / 122,058.24-168,473.28-71,790.72

Finding the Fourth Proportional to 122,058.24, 168,473.28 and 71,790.72

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Solution

The fourth proportional to 122,058.24, 168,473.28 and 71,790.72 is: 99,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,058.24 : 168,473.28 = 71,790.72 : x
  2. Step 2: Convert to fraction form
    122,058.24/168,473.28 = 71,790.72/x
  3. Step 3: Cross multiply
    122,058.24x = 168,473.28 × 71,790.72
  4. Step 4: Simplify right side
    122,058.24x = 12,094,818,071.96
  5. Step 5: Solve for x
    x = 12,094,818,071.96/122,058.24
  6. Step 6: Final answer
    x = 99,090.55

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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.