Home / 102,272.34-153,417.38-31,210.98

Finding the Fourth Proportional to 102,272.34, 153,417.38 and 31,210.98

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Solution

The fourth proportional to 102,272.34, 153,417.38 and 31,210.98 is: 46,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,272.34 : 153,417.38 = 31,210.98 : x
  2. Step 2: Convert to fraction form
    102,272.34/153,417.38 = 31,210.98/x
  3. Step 3: Cross multiply
    102,272.34x = 153,417.38 × 31,210.98
  4. Step 4: Simplify right side
    102,272.34x = 4,788,306,249.81
  5. Step 5: Solve for x
    x = 4,788,306,249.81/102,272.34
  6. Step 6: Final answer
    x = 46,819.17

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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.