Home / 248,457.38-342,871.18-135,280.13

Finding the Fourth Proportional to 248,457.38, 342,871.18 and 135,280.13

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Solution

The fourth proportional to 248,457.38, 342,871.18 and 135,280.13 is: 186,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,457.38 : 342,871.18 = 135,280.13 : x
  2. Step 2: Convert to fraction form
    248,457.38/342,871.18 = 135,280.13/x
  3. Step 3: Cross multiply
    248,457.38x = 342,871.18 × 135,280.13
  4. Step 4: Simplify right side
    248,457.38x = 46,383,655,751.10
  5. Step 5: Solve for x
    x = 46,383,655,751.10/248,457.38
  6. Step 6: Final answer
    x = 186,686.57

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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.