Home / 149,068.23-223,688.46-78,947.55

Finding the Fourth Proportional to 149,068.23, 223,688.46 and 78,947.55

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Solution

The fourth proportional to 149,068.23, 223,688.46 and 78,947.55 is: 118,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,068.23 : 223,688.46 = 78,947.55 : x
  2. Step 2: Convert to fraction form
    149,068.23/223,688.46 = 78,947.55/x
  3. Step 3: Cross multiply
    149,068.23x = 223,688.46 × 78,947.55
  4. Step 4: Simplify right side
    149,068.23x = 17,659,655,880.27
  5. Step 5: Solve for x
    x = 17,659,655,880.27/149,068.23
  6. Step 6: Final answer
    x = 118,466.93

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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.