Home / 153,032.31-211,215.81-104,767.71

Finding the Fourth Proportional to 153,032.31, 211,215.81 and 104,767.71

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Solution

The fourth proportional to 153,032.31, 211,215.81 and 104,767.71 is: 144,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,032.31 : 211,215.81 = 104,767.71 : x
  2. Step 2: Convert to fraction form
    153,032.31/211,215.81 = 104,767.71/x
  3. Step 3: Cross multiply
    153,032.31x = 211,215.81 × 104,767.71
  4. Step 4: Simplify right side
    153,032.31x = 22,128,596,729.50
  5. Step 5: Solve for x
    x = 22,128,596,729.50/153,032.31
  6. Step 6: Final answer
    x = 144,600.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.