Home / 142,356.02-213,571.20-42,516.23

Finding the Fourth Proportional to 142,356.02, 213,571.20 and 42,516.23

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Solution

The fourth proportional to 142,356.02, 213,571.20 and 42,516.23 is: 63,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,356.02 : 213,571.20 = 42,516.23 : x
  2. Step 2: Convert to fraction form
    142,356.02/213,571.20 = 42,516.23/x
  3. Step 3: Cross multiply
    142,356.02x = 213,571.20 × 42,516.23
  4. Step 4: Simplify right side
    142,356.02x = 9,080,242,260.58
  5. Step 5: Solve for x
    x = 9,080,242,260.58/142,356.02
  6. Step 6: Final answer
    x = 63,785.45

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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.