Home / 155,313.48-214,281.02-126,583.74

Finding the Fourth Proportional to 155,313.48, 214,281.02 and 126,583.74

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Solution

The fourth proportional to 155,313.48, 214,281.02 and 126,583.74 is: 174,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,313.48 : 214,281.02 = 126,583.74 : x
  2. Step 2: Convert to fraction form
    155,313.48/214,281.02 = 126,583.74/x
  3. Step 3: Cross multiply
    155,313.48x = 214,281.02 × 126,583.74
  4. Step 4: Simplify right side
    155,313.48x = 27,124,492,922.61
  5. Step 5: Solve for x
    x = 27,124,492,922.61/155,313.48
  6. Step 6: Final answer
    x = 174,643.52

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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.