Home / 105,136.02-145,082.63-59,809.73

Finding the Fourth Proportional to 105,136.02, 145,082.63 and 59,809.73

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Solution

The fourth proportional to 105,136.02, 145,082.63 and 59,809.73 is: 82,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,136.02 : 145,082.63 = 59,809.73 : x
  2. Step 2: Convert to fraction form
    105,136.02/145,082.63 = 59,809.73/x
  3. Step 3: Cross multiply
    105,136.02x = 145,082.63 × 59,809.73
  4. Step 4: Simplify right side
    105,136.02x = 8,677,351,903.53
  5. Step 5: Solve for x
    x = 8,677,351,903.53/105,136.02
  6. Step 6: Final answer
    x = 82,534.53

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1.5x scale

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.