Home / 134,108.74-185,070.45-80,396.02

Finding the Fourth Proportional to 134,108.74, 185,070.45 and 80,396.02

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Solution

The fourth proportional to 134,108.74, 185,070.45 and 80,396.02 is: 110,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,108.74 : 185,070.45 = 80,396.02 : x
  2. Step 2: Convert to fraction form
    134,108.74/185,070.45 = 80,396.02/x
  3. Step 3: Cross multiply
    134,108.74x = 185,070.45 × 80,396.02
  4. Step 4: Simplify right side
    134,108.74x = 14,878,927,599.61
  5. Step 5: Solve for x
    x = 14,878,927,599.61/134,108.74
  6. Step 6: Final answer
    x = 110,946.74

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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.