Home / 172,417.18-237,900.06-100,783.35

Finding the Fourth Proportional to 172,417.18, 237,900.06 and 100,783.35

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Solution

The fourth proportional to 172,417.18, 237,900.06 and 100,783.35 is: 139,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,417.18 : 237,900.06 = 100,783.35 : x
  2. Step 2: Convert to fraction form
    172,417.18/237,900.06 = 100,783.35/x
  3. Step 3: Cross multiply
    172,417.18x = 237,900.06 × 100,783.35
  4. Step 4: Simplify right side
    172,417.18x = 23,976,365,012.00
  5. Step 5: Solve for x
    x = 23,976,365,012.00/172,417.18
  6. Step 6: Final answer
    x = 139,060.19

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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.