Home / 145,122.84-217,643.04-56,357.40

Finding the Fourth Proportional to 145,122.84, 217,643.04 and 56,357.40

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Solution

The fourth proportional to 145,122.84, 217,643.04 and 56,357.40 is: 84,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,122.84 : 217,643.04 = 56,357.40 : x
  2. Step 2: Convert to fraction form
    145,122.84/217,643.04 = 56,357.40/x
  3. Step 3: Cross multiply
    145,122.84x = 217,643.04 × 56,357.40
  4. Step 4: Simplify right side
    145,122.84x = 12,265,795,862.50
  5. Step 5: Solve for x
    x = 12,265,795,862.50/145,122.84
  6. Step 6: Final answer
    x = 84,520.09

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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.