Home / 144,534.51-216,834.75-77,973.12

Finding the Fourth Proportional to 144,534.51, 216,834.75 and 77,973.12

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Solution

The fourth proportional to 144,534.51, 216,834.75 and 77,973.12 is: 116,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,534.51 : 216,834.75 = 77,973.12 : x
  2. Step 2: Convert to fraction form
    144,534.51/216,834.75 = 77,973.12/x
  3. Step 3: Cross multiply
    144,534.51x = 216,834.75 × 77,973.12
  4. Step 4: Simplify right side
    144,534.51x = 16,907,281,981.92
  5. Step 5: Solve for x
    x = 16,907,281,981.92/144,534.51
  6. Step 6: Final answer
    x = 116,977.47

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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.