Home / 170,643.16-235,429.50-103,562.20

Finding the Fourth Proportional to 170,643.16, 235,429.50 and 103,562.20

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Solution

The fourth proportional to 170,643.16, 235,429.50 and 103,562.20 is: 142,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,643.16 : 235,429.50 = 103,562.20 : x
  2. Step 2: Convert to fraction form
    170,643.16/235,429.50 = 103,562.20/x
  3. Step 3: Cross multiply
    170,643.16x = 235,429.50 × 103,562.20
  4. Step 4: Simplify right side
    170,643.16x = 24,381,596,964.90
  5. Step 5: Solve for x
    x = 24,381,596,964.90/170,643.16
  6. Step 6: Final answer
    x = 142,880.60

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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.