Home / 229,032.30-316,030.05-130,908.45

Finding the Fourth Proportional to 229,032.30, 316,030.05 and 130,908.45

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Solution

The fourth proportional to 229,032.30, 316,030.05 and 130,908.45 is: 180,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,032.30 : 316,030.05 = 130,908.45 : x
  2. Step 2: Convert to fraction form
    229,032.30/316,030.05 = 130,908.45/x
  3. Step 3: Cross multiply
    229,032.30x = 316,030.05 × 130,908.45
  4. Step 4: Simplify right side
    229,032.30x = 41,371,003,998.92
  5. Step 5: Solve for x
    x = 41,371,003,998.92/229,032.30
  6. Step 6: Final answer
    x = 180,633.93

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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.