Home / 219,938.59-303,547.70-139,373.46

Finding the Fourth Proportional to 219,938.59, 303,547.70 and 139,373.46

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Solution

The fourth proportional to 219,938.59, 303,547.70 and 139,373.46 is: 192,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,938.59 : 303,547.70 = 139,373.46 : x
  2. Step 2: Convert to fraction form
    219,938.59/303,547.70 = 139,373.46/x
  3. Step 3: Cross multiply
    219,938.59x = 303,547.70 × 139,373.46
  4. Step 4: Simplify right side
    219,938.59x = 42,306,493,572.48
  5. Step 5: Solve for x
    x = 42,306,493,572.48/219,938.59
  6. Step 6: Final answer
    x = 192,355.94

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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.