Home / 101,737.04-140,394.60-56,415.20

Finding the Fourth Proportional to 101,737.04, 140,394.60 and 56,415.20

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Solution

The fourth proportional to 101,737.04, 140,394.60 and 56,415.20 is: 77,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,737.04 : 140,394.60 = 56,415.20 : x
  2. Step 2: Convert to fraction form
    101,737.04/140,394.60 = 56,415.20/x
  3. Step 3: Cross multiply
    101,737.04x = 140,394.60 × 56,415.20
  4. Step 4: Simplify right side
    101,737.04x = 7,920,389,437.92
  5. Step 5: Solve for x
    x = 7,920,389,437.92/101,737.04
  6. Step 6: Final answer
    x = 77,851.58

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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.