Home / 99,290.74-148,852.40-43,088.51

Finding the Fourth Proportional to 99,290.74, 148,852.40 and 43,088.51

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Solution

The fourth proportional to 99,290.74, 148,852.40 and 43,088.51 is: 64,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,290.74 : 148,852.40 = 43,088.51 : x
  2. Step 2: Convert to fraction form
    99,290.74/148,852.40 = 43,088.51/x
  3. Step 3: Cross multiply
    99,290.74x = 148,852.40 × 43,088.51
  4. Step 4: Simplify right side
    99,290.74x = 6,413,828,125.92
  5. Step 5: Solve for x
    x = 6,413,828,125.92/99,290.74
  6. Step 6: Final answer
    x = 64,596.44

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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.