Home / 210,547.08-290,568.78-118,689.03

Finding the Fourth Proportional to 210,547.08, 290,568.78 and 118,689.03

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Solution

The fourth proportional to 210,547.08, 290,568.78 and 118,689.03 is: 163,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,547.08 : 290,568.78 = 118,689.03 : x
  2. Step 2: Convert to fraction form
    210,547.08/290,568.78 = 118,689.03/x
  3. Step 3: Cross multiply
    210,547.08x = 290,568.78 × 118,689.03
  4. Step 4: Simplify right side
    210,547.08x = 34,487,326,646.48
  5. Step 5: Solve for x
    x = 34,487,326,646.48/210,547.08
  6. Step 6: Final answer
    x = 163,798.65

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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.