Home / 172,485.32-238,000.13-158,533.24

Finding the Fourth Proportional to 172,485.32, 238,000.13 and 158,533.24

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Solution

The fourth proportional to 172,485.32, 238,000.13 and 158,533.24 is: 218,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,485.32 : 238,000.13 = 158,533.24 : x
  2. Step 2: Convert to fraction form
    172,485.32/238,000.13 = 158,533.24/x
  3. Step 3: Cross multiply
    172,485.32x = 238,000.13 × 158,533.24
  4. Step 4: Simplify right side
    172,485.32x = 37,730,931,729.32
  5. Step 5: Solve for x
    x = 37,730,931,729.32/172,485.32
  6. Step 6: Final answer
    x = 218,748.65

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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.