Home / 107,258.81-148,038.69-61,944.17

Finding the Fourth Proportional to 107,258.81, 148,038.69 and 61,944.17

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Solution

The fourth proportional to 107,258.81, 148,038.69 and 61,944.17 is: 85,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,258.81 : 148,038.69 = 61,944.17 : x
  2. Step 2: Convert to fraction form
    107,258.81/148,038.69 = 61,944.17/x
  3. Step 3: Cross multiply
    107,258.81x = 148,038.69 × 61,944.17
  4. Step 4: Simplify right side
    107,258.81x = 9,170,133,039.74
  5. Step 5: Solve for x
    x = 9,170,133,039.74/107,258.81
  6. Step 6: Final answer
    x = 85,495.39

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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.