Home / 178,041.36-267,061.21-72,860.34

Finding the Fourth Proportional to 178,041.36, 267,061.21 and 72,860.34

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Solution

The fourth proportional to 178,041.36, 267,061.21 and 72,860.34 is: 109,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,041.36 : 267,061.21 = 72,860.34 : x
  2. Step 2: Convert to fraction form
    178,041.36/267,061.21 = 72,860.34/x
  3. Step 3: Cross multiply
    178,041.36x = 267,061.21 × 72,860.34
  4. Step 4: Simplify right side
    178,041.36x = 19,458,170,561.41
  5. Step 5: Solve for x
    x = 19,458,170,561.41/178,041.36
  6. Step 6: Final answer
    x = 109,290.17

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1.5x scale

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.