Home / 109,041.02-163,529.90-42,466.30

Finding the Fourth Proportional to 109,041.02, 163,529.90 and 42,466.30

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Solution

The fourth proportional to 109,041.02, 163,529.90 and 42,466.30 is: 63,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.02 : 163,529.90 = 42,466.30 : x
  2. Step 2: Convert to fraction form
    109,041.02/163,529.90 = 42,466.30/x
  3. Step 3: Cross multiply
    109,041.02x = 163,529.90 × 42,466.30
  4. Step 4: Simplify right side
    109,041.02x = 6,944,509,792.37
  5. Step 5: Solve for x
    x = 6,944,509,792.37/109,041.02
  6. Step 6: Final answer
    x = 63,687.13

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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.