Home / 144,256.95-216,384.21-39,075.21

Finding the Fourth Proportional to 144,256.95, 216,384.21 and 39,075.21

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Solution

The fourth proportional to 144,256.95, 216,384.21 and 39,075.21 is: 58,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,256.95 : 216,384.21 = 39,075.21 : x
  2. Step 2: Convert to fraction form
    144,256.95/216,384.21 = 39,075.21/x
  3. Step 3: Cross multiply
    144,256.95x = 216,384.21 × 39,075.21
  4. Step 4: Simplify right side
    144,256.95x = 8,455,258,446.43
  5. Step 5: Solve for x
    x = 8,455,258,446.43/144,256.95
  6. Step 6: Final answer
    x = 58,612.49

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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.