Home / 103,240.08-142,454.04-60,807.06

Finding the Fourth Proportional to 103,240.08, 142,454.04 and 60,807.06

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Solution

The fourth proportional to 103,240.08, 142,454.04 and 60,807.06 is: 83,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,240.08 : 142,454.04 = 60,807.06 : x
  2. Step 2: Convert to fraction form
    103,240.08/142,454.04 = 60,807.06/x
  3. Step 3: Cross multiply
    103,240.08x = 142,454.04 × 60,807.06
  4. Step 4: Simplify right side
    103,240.08x = 8,662,211,357.52
  5. Step 5: Solve for x
    x = 8,662,211,357.52/103,240.08
  6. Step 6: Final answer
    x = 83,903.57

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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.