Home / 158,136.10-218,206.29-94,460.38

Finding the Fourth Proportional to 158,136.10, 218,206.29 and 94,460.38

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Solution

The fourth proportional to 158,136.10, 218,206.29 and 94,460.38 is: 130,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,136.10 : 218,206.29 = 94,460.38 : x
  2. Step 2: Convert to fraction form
    158,136.10/218,206.29 = 94,460.38/x
  3. Step 3: Cross multiply
    158,136.10x = 218,206.29 × 94,460.38
  4. Step 4: Simplify right side
    158,136.10x = 20,611,849,071.79
  5. Step 5: Solve for x
    x = 20,611,849,071.79/158,136.10
  6. Step 6: Final answer
    x = 130,342.46

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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.