Home / 156,075.12-215,330.95-101,602.42

Finding the Fourth Proportional to 156,075.12, 215,330.95 and 101,602.42

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Solution

The fourth proportional to 156,075.12, 215,330.95 and 101,602.42 is: 140,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,075.12 : 215,330.95 = 101,602.42 : x
  2. Step 2: Convert to fraction form
    156,075.12/215,330.95 = 101,602.42/x
  3. Step 3: Cross multiply
    156,075.12x = 215,330.95 × 101,602.42
  4. Step 4: Simplify right side
    156,075.12x = 21,878,145,209.57
  5. Step 5: Solve for x
    x = 21,878,145,209.57/156,075.12
  6. Step 6: Final answer
    x = 140,177.02

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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.