Home / 219,342.45-302,687.01-122,547.05

Finding the Fourth Proportional to 219,342.45, 302,687.01 and 122,547.05

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Solution

The fourth proportional to 219,342.45, 302,687.01 and 122,547.05 is: 169,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,342.45 : 302,687.01 = 122,547.05 : x
  2. Step 2: Convert to fraction form
    219,342.45/302,687.01 = 122,547.05/x
  3. Step 3: Cross multiply
    219,342.45x = 302,687.01 × 122,547.05
  4. Step 4: Simplify right side
    219,342.45x = 37,093,400,148.82
  5. Step 5: Solve for x
    x = 37,093,400,148.82/219,342.45
  6. Step 6: Final answer
    x = 169,111.82

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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.