Home / 149,068.10-223,213.35-142,069.70

Finding the Fourth Proportional to 149,068.10, 223,213.35 and 142,069.70

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Solution

The fourth proportional to 149,068.10, 223,213.35 and 142,069.70 is: 212,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,068.10 : 223,213.35 = 142,069.70 : x
  2. Step 2: Convert to fraction form
    149,068.10/223,213.35 = 142,069.70/x
  3. Step 3: Cross multiply
    149,068.10x = 223,213.35 × 142,069.70
  4. Step 4: Simplify right side
    149,068.10x = 31,711,853,670.50
  5. Step 5: Solve for x
    x = 31,711,853,670.50/149,068.10
  6. Step 6: Final answer
    x = 212,734.00

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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.