Home / 123,068.20-184,602.30-70,434.40

Finding the Fourth Proportional to 123,068.20, 184,602.30 and 70,434.40

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Solution

The fourth proportional to 123,068.20, 184,602.30 and 70,434.40 is: 105,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,068.20 : 184,602.30 = 70,434.40 : x
  2. Step 2: Convert to fraction form
    123,068.20/184,602.30 = 70,434.40/x
  3. Step 3: Cross multiply
    123,068.20x = 184,602.30 × 70,434.40
  4. Step 4: Simplify right side
    123,068.20x = 13,002,352,239.12
  5. Step 5: Solve for x
    x = 13,002,352,239.12/123,068.20
  6. Step 6: Final answer
    x = 105,651.60

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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.