Home / 211,547.06-291,929.68-118,411.49

Finding the Fourth Proportional to 211,547.06, 291,929.68 and 118,411.49

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Solution

The fourth proportional to 211,547.06, 291,929.68 and 118,411.49 is: 163,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,547.06 : 291,929.68 = 118,411.49 : x
  2. Step 2: Convert to fraction form
    211,547.06/291,929.68 = 118,411.49/x
  3. Step 3: Cross multiply
    211,547.06x = 291,929.68 × 118,411.49
  4. Step 4: Simplify right side
    211,547.06x = 34,567,826,628.35
  5. Step 5: Solve for x
    x = 34,567,826,628.35/211,547.06
  6. Step 6: Final answer
    x = 163,404.90

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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.