Home / 103,219.02-142,445.10-62,923.56

Finding the Fourth Proportional to 103,219.02, 142,445.10 and 62,923.56

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Solution

The fourth proportional to 103,219.02, 142,445.10 and 62,923.56 is: 86,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,219.02 : 142,445.10 = 62,923.56 : x
  2. Step 2: Convert to fraction form
    103,219.02/142,445.10 = 62,923.56/x
  3. Step 3: Cross multiply
    103,219.02x = 142,445.10 × 62,923.56
  4. Step 4: Simplify right side
    103,219.02x = 8,963,152,796.56
  5. Step 5: Solve for x
    x = 8,963,152,796.56/103,219.02
  6. Step 6: Final answer
    x = 86,836.25

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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.