Home / 166,430.45-249,541.65-70,318.25

Finding the Fourth Proportional to 166,430.45, 249,541.65 and 70,318.25

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Solution

The fourth proportional to 166,430.45, 249,541.65 and 70,318.25 is: 105,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,430.45 : 249,541.65 = 70,318.25 : x
  2. Step 2: Convert to fraction form
    166,430.45/249,541.65 = 70,318.25/x
  3. Step 3: Cross multiply
    166,430.45x = 249,541.65 × 70,318.25
  4. Step 4: Simplify right side
    166,430.45x = 17,547,332,130.11
  5. Step 5: Solve for x
    x = 17,547,332,130.11/166,430.45
  6. Step 6: Final answer
    x = 105,433.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.