Home / 155,136.90-214,082.13-94,808.46

Finding the Fourth Proportional to 155,136.90, 214,082.13 and 94,808.46

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Solution

The fourth proportional to 155,136.90, 214,082.13 and 94,808.46 is: 130,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,136.90 : 214,082.13 = 94,808.46 : x
  2. Step 2: Convert to fraction form
    155,136.90/214,082.13 = 94,808.46/x
  3. Step 3: Cross multiply
    155,136.90x = 214,082.13 × 94,808.46
  4. Step 4: Simplify right side
    155,136.90x = 20,296,797,058.82
  5. Step 5: Solve for x
    x = 20,296,797,058.82/155,136.90
  6. Step 6: Final answer
    x = 130,831.52

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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.