Home / 247,865.48-342,055.24-134,688.20

Finding the Fourth Proportional to 247,865.48, 342,055.24 and 134,688.20

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Solution

The fourth proportional to 247,865.48, 342,055.24 and 134,688.20 is: 185,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,865.48 : 342,055.24 = 134,688.20 : x
  2. Step 2: Convert to fraction form
    247,865.48/342,055.24 = 134,688.20/x
  3. Step 3: Cross multiply
    247,865.48x = 342,055.24 × 134,688.20
  4. Step 4: Simplify right side
    247,865.48x = 46,070,804,576.17
  5. Step 5: Solve for x
    x = 46,070,804,576.17/247,865.48
  6. Step 6: Final answer
    x = 185,870.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.