Home / 152,315.02-210,216.63-88,687.90

Finding the Fourth Proportional to 152,315.02, 210,216.63 and 88,687.90

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Solution

The fourth proportional to 152,315.02, 210,216.63 and 88,687.90 is: 122,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,315.02 : 210,216.63 = 88,687.90 : x
  2. Step 2: Convert to fraction form
    152,315.02/210,216.63 = 88,687.90/x
  3. Step 3: Cross multiply
    152,315.02x = 210,216.63 × 88,687.90
  4. Step 4: Simplify right side
    152,315.02x = 18,643,671,459.78
  5. Step 5: Solve for x
    x = 18,643,671,459.78/152,315.02
  6. Step 6: Final answer
    x = 122,402.06

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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.