Home / 123,001.10-184,501.65-112,114.70

Finding the Fourth Proportional to 123,001.10, 184,501.65 and 112,114.70

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Solution

The fourth proportional to 123,001.10, 184,501.65 and 112,114.70 is: 168,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,001.10 : 184,501.65 = 112,114.70 : x
  2. Step 2: Convert to fraction form
    123,001.10/184,501.65 = 112,114.70/x
  3. Step 3: Cross multiply
    123,001.10x = 184,501.65 × 112,114.70
  4. Step 4: Simplify right side
    123,001.10x = 20,685,347,139.26
  5. Step 5: Solve for x
    x = 20,685,347,139.26/123,001.10
  6. Step 6: Final answer
    x = 168,172.05

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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.