Home / 142,355.02-213,569.70-42,515.23

Finding the Fourth Proportional to 142,355.02, 213,569.70 and 42,515.23

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Solution

The fourth proportional to 142,355.02, 213,569.70 and 42,515.23 is: 63,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,355.02 : 213,569.70 = 42,515.23 : x
  2. Step 2: Convert to fraction form
    142,355.02/213,569.70 = 42,515.23/x
  3. Step 3: Cross multiply
    142,355.02x = 213,569.70 × 42,515.23
  4. Step 4: Simplify right side
    142,355.02x = 9,079,964,916.53
  5. Step 5: Solve for x
    x = 9,079,964,916.53/142,355.02
  6. Step 6: Final answer
    x = 63,783.95

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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.