Home / 103,128.92-154,605.15-46,948.94

Finding the Fourth Proportional to 103,128.92, 154,605.15 and 46,948.94

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Solution

The fourth proportional to 103,128.92, 154,605.15 and 46,948.94 is: 70,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,128.92 : 154,605.15 = 46,948.94 : x
  2. Step 2: Convert to fraction form
    103,128.92/154,605.15 = 46,948.94/x
  3. Step 3: Cross multiply
    103,128.92x = 154,605.15 × 46,948.94
  4. Step 4: Simplify right side
    103,128.92x = 7,258,547,911.04
  5. Step 5: Solve for x
    x = 7,258,547,911.04/103,128.92
  6. Step 6: Final answer
    x = 70,383.24

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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.