Home / 122,261.61-168,751.04-74,541.27

Finding the Fourth Proportional to 122,261.61, 168,751.04 and 74,541.27

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Solution

The fourth proportional to 122,261.61, 168,751.04 and 74,541.27 is: 102,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,261.61 : 168,751.04 = 74,541.27 : x
  2. Step 2: Convert to fraction form
    122,261.61/168,751.04 = 74,541.27/x
  3. Step 3: Cross multiply
    122,261.61x = 168,751.04 × 74,541.27
  4. Step 4: Simplify right side
    122,261.61x = 12,578,916,462.71
  5. Step 5: Solve for x
    x = 12,578,916,462.71/122,261.61
  6. Step 6: Final answer
    x = 102,885.25

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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.