Home / 147,386.95-221,123.49-47,544.94

Finding the Fourth Proportional to 147,386.95, 221,123.49 and 47,544.94

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Solution

The fourth proportional to 147,386.95, 221,123.49 and 47,544.94 is: 71,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386.95 : 221,123.49 = 47,544.94 : x
  2. Step 2: Convert to fraction form
    147,386.95/221,123.49 = 47,544.94/x
  3. Step 3: Cross multiply
    147,386.95x = 221,123.49 × 47,544.94
  4. Step 4: Simplify right side
    147,386.95x = 10,513,303,064.64
  5. Step 5: Solve for x
    x = 10,513,303,064.64/147,386.95
  6. Step 6: Final answer
    x = 71,331.30

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1.5x scale

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.