Home / 255,364.02-383,108.07-77,874.18

Finding the Fourth Proportional to 255,364.02, 383,108.07 and 77,874.18

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Solution

The fourth proportional to 255,364.02, 383,108.07 and 77,874.18 is: 116,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,364.02 : 383,108.07 = 77,874.18 : x
  2. Step 2: Convert to fraction form
    255,364.02/383,108.07 = 77,874.18/x
  3. Step 3: Cross multiply
    255,364.02x = 383,108.07 × 77,874.18
  4. Step 4: Simplify right side
    255,364.02x = 29,834,226,802.63
  5. Step 5: Solve for x
    x = 29,834,226,802.63/255,364.02
  6. Step 6: Final answer
    x = 116,830.19

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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.