Home / 158,127.12-237,222.84-64,640.40

Finding the Fourth Proportional to 158,127.12, 237,222.84 and 64,640.40

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Solution

The fourth proportional to 158,127.12, 237,222.84 and 64,640.40 is: 96,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,127.12 : 237,222.84 = 64,640.40 : x
  2. Step 2: Convert to fraction form
    158,127.12/237,222.84 = 64,640.40/x
  3. Step 3: Cross multiply
    158,127.12x = 237,222.84 × 64,640.40
  4. Step 4: Simplify right side
    158,127.12x = 15,334,179,266.74
  5. Step 5: Solve for x
    x = 15,334,179,266.74/158,127.12
  6. Step 6: Final answer
    x = 96,973.75

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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.