Home / 172,574.34-238,095.49-100,903.60

Finding the Fourth Proportional to 172,574.34, 238,095.49 and 100,903.60

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Solution

The fourth proportional to 172,574.34, 238,095.49 and 100,903.60 is: 139,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,574.34 : 238,095.49 = 100,903.60 : x
  2. Step 2: Convert to fraction form
    172,574.34/238,095.49 = 100,903.60/x
  3. Step 3: Cross multiply
    172,574.34x = 238,095.49 × 100,903.60
  4. Step 4: Simplify right side
    172,574.34x = 24,024,692,084.76
  5. Step 5: Solve for x
    x = 24,024,692,084.76/172,574.34
  6. Step 6: Final answer
    x = 139,213.58

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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.