Home / 102,048.30-153,050.58-31,918.50

Finding the Fourth Proportional to 102,048.30, 153,050.58 and 31,918.50

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Solution

The fourth proportional to 102,048.30, 153,050.58 and 31,918.50 is: 47,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,048.30 : 153,050.58 = 31,918.50 : x
  2. Step 2: Convert to fraction form
    102,048.30/153,050.58 = 31,918.50/x
  3. Step 3: Cross multiply
    102,048.30x = 153,050.58 × 31,918.50
  4. Step 4: Simplify right side
    102,048.30x = 4,885,144,937.73
  5. Step 5: Solve for x
    x = 4,885,144,937.73/102,048.30
  6. Step 6: Final answer
    x = 47,870.91

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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.