Home / 145,528.02-218,373.84-56,787.66

Finding the Fourth Proportional to 145,528.02, 218,373.84 and 56,787.66

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Solution

The fourth proportional to 145,528.02, 218,373.84 and 56,787.66 is: 85,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528.02 : 218,373.84 = 56,787.66 : x
  2. Step 2: Convert to fraction form
    145,528.02/218,373.84 = 56,787.66/x
  3. Step 3: Cross multiply
    145,528.02x = 218,373.84 × 56,787.66
  4. Step 4: Simplify right side
    145,528.02x = 12,400,939,378.81
  5. Step 5: Solve for x
    x = 12,400,939,378.81/145,528.02
  6. Step 6: Final answer
    x = 85,213.41

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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.