Home / 210,457.93-290,421.10-114,946.18

Finding the Fourth Proportional to 210,457.93, 290,421.10 and 114,946.18

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Solution

The fourth proportional to 210,457.93, 290,421.10 and 114,946.18 is: 158,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,457.93 : 290,421.10 = 114,946.18 : x
  2. Step 2: Convert to fraction form
    210,457.93/290,421.10 = 114,946.18/x
  3. Step 3: Cross multiply
    210,457.93x = 290,421.10 × 114,946.18
  4. Step 4: Simplify right side
    210,457.93x = 33,382,796,036.40
  5. Step 5: Solve for x
    x = 33,382,796,036.40/210,457.93
  6. Step 6: Final answer
    x = 158,619.81

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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.