Home / 122,679.02-169,285.87-70,987.18

Finding the Fourth Proportional to 122,679.02, 169,285.87 and 70,987.18

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Solution

The fourth proportional to 122,679.02, 169,285.87 and 70,987.18 is: 97,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,679.02 : 169,285.87 = 70,987.18 : x
  2. Step 2: Convert to fraction form
    122,679.02/169,285.87 = 70,987.18/x
  3. Step 3: Cross multiply
    122,679.02x = 169,285.87 × 70,987.18
  4. Step 4: Simplify right side
    122,679.02x = 12,017,126,101.93
  5. Step 5: Solve for x
    x = 12,017,126,101.93/122,679.02
  6. Step 6: Final answer
    x = 97,955.84

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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.