Home / 99,646.47-149,303.63-70,011.25

Finding the Fourth Proportional to 99,646.47, 149,303.63 and 70,011.25

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Solution

The fourth proportional to 99,646.47, 149,303.63 and 70,011.25 is: 104,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646.47 : 149,303.63 = 70,011.25 : x
  2. Step 2: Convert to fraction form
    99,646.47/149,303.63 = 70,011.25/x
  3. Step 3: Cross multiply
    99,646.47x = 149,303.63 × 70,011.25
  4. Step 4: Simplify right side
    99,646.47x = 10,452,933,942.30
  5. Step 5: Solve for x
    x = 10,452,933,942.30/99,646.47
  6. Step 6: Final answer
    x = 104,900.19

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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.