Home / 123,075.40-184,613.10-91,971.40

Finding the Fourth Proportional to 123,075.40, 184,613.10 and 91,971.40

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Solution

The fourth proportional to 123,075.40, 184,613.10 and 91,971.40 is: 137,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,075.40 : 184,613.10 = 91,971.40 : x
  2. Step 2: Convert to fraction form
    123,075.40/184,613.10 = 91,971.40/x
  3. Step 3: Cross multiply
    123,075.40x = 184,613.10 × 91,971.40
  4. Step 4: Simplify right side
    123,075.40x = 16,979,125,265.34
  5. Step 5: Solve for x
    x = 16,979,125,265.34/123,075.40
  6. Step 6: Final answer
    x = 137,957.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.