Home / 105,254.02-145,248.84-57,506.34

Finding the Fourth Proportional to 105,254.02, 145,248.84 and 57,506.34

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Solution

The fourth proportional to 105,254.02, 145,248.84 and 57,506.34 is: 79,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,254.02 : 145,248.84 = 57,506.34 : x
  2. Step 2: Convert to fraction form
    105,254.02/145,248.84 = 57,506.34/x
  3. Step 3: Cross multiply
    105,254.02x = 145,248.84 × 57,506.34
  4. Step 4: Simplify right side
    105,254.02x = 8,352,729,177.65
  5. Step 5: Solve for x
    x = 8,352,729,177.65/105,254.02
  6. Step 6: Final answer
    x = 79,357.82

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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.