Home / 169,875.72-254,844.22-69,981.40

Finding the Fourth Proportional to 169,875.72, 254,844.22 and 69,981.40

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Solution

The fourth proportional to 169,875.72, 254,844.22 and 69,981.40 is: 104,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,875.72 : 254,844.22 = 69,981.40 : x
  2. Step 2: Convert to fraction form
    169,875.72/254,844.22 = 69,981.40/x
  3. Step 3: Cross multiply
    169,875.72x = 254,844.22 × 69,981.40
  4. Step 4: Simplify right side
    169,875.72x = 17,834,355,297.51
  5. Step 5: Solve for x
    x = 17,834,355,297.51/169,875.72
  6. Step 6: Final answer
    x = 104,984.72

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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.