Home / 109,895.49-151,510.39-79,242.93

Finding the Fourth Proportional to 109,895.49, 151,510.39 and 79,242.93

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Solution

The fourth proportional to 109,895.49, 151,510.39 and 79,242.93 is: 109,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,895.49 : 151,510.39 = 79,242.93 : x
  2. Step 2: Convert to fraction form
    109,895.49/151,510.39 = 79,242.93/x
  3. Step 3: Cross multiply
    109,895.49x = 151,510.39 × 79,242.93
  4. Step 4: Simplify right side
    109,895.49x = 12,006,127,030.94
  5. Step 5: Solve for x
    x = 12,006,127,030.94/109,895.49
  6. Step 6: Final answer
    x = 109,250.41

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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.