Home / 242,905.42-335,210.07-135,482.41

Finding the Fourth Proportional to 242,905.42, 335,210.07 and 135,482.41

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Solution

The fourth proportional to 242,905.42, 335,210.07 and 135,482.41 is: 186,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,905.42 : 335,210.07 = 135,482.41 : x
  2. Step 2: Convert to fraction form
    242,905.42/335,210.07 = 135,482.41/x
  3. Step 3: Cross multiply
    242,905.42x = 335,210.07 × 135,482.41
  4. Step 4: Simplify right side
    242,905.42x = 45,415,068,139.87
  5. Step 5: Solve for x
    x = 45,415,068,139.87/242,905.42
  6. Step 6: Final answer
    x = 186,966.06

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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.